| ITF M15 Loule | 2020/03/08 14:00 | Blake Ellis v Jim Walder | 3-6,6-4,10-8 |
| ITF M15 Oberhaching | 2020/02/16 10:00 | Emilien Voisin v Jim Walder | 6-4,6-2 |
| ITF M25 Nussloch | 2020/01/20 19:30 | Ryan Nijboer v Jim Walder | 6-4,6-2 |
| ITF M25 Nussloch | 2020/01/20 11:20 | Jim Walder v Karlo Cubelic | 6-3,2-6,10-5 |
| ITF M25 Nussloch | 2020/01/19 09:00 | Gasper Bezjak v Jim Walder | 4-6,2-6 |
| ITF M15 Cancun | 2019/11/17 15:00 | Jim Walder v Sebastian Eguez | 4-6,5-7 |
| ITF M15 Cancun | 2019/11/10 16:30 | Jim Walder v Yeudy Villar | 4-6,4-6 |
| ITF M15 Cancun | 2019/11/03 16:00 | Austin Ansari v Jim Walder | 7-6,6-3 |
| German Masters | 2020/08/05 11:00 | Louis Wessels v Oscar Moraing | 6-3,6-2 |
| German Masters | 2020/08/04 12:40 | Louis Wessels v Oleg Khotkov | 6-1,6-1 |
| German Premier League | 2020/08/03 12:10 | Benjamin Lock v Louis Wessels | 6-7,6-7 |
| German Premier League | 2020/07/31 07:30 | Alexey Vatutin v Louis Wessels | 6-2,6-3 |
| German Premier League | 2020/07/30 10:50 | Louis Wessels v Noah Borges | 6-2,6-2 |
| German Premier League | 2020/07/29 12:00 | Louis Wessels v Luc Fomba | 6-4,6-4 |
| German Premier League | 2020/07/28 09:15 | Paul Valsecchi v Louis Wessels | 6-3,2-6,0-6 |
| German Premier League | 2020/07/27 15:30 | Philipp Kohlschreiber v Louis Wessels | 6-4,6-4 |